Home / 10,781,515.47-14,878,378.67-5,886,722.46

Finding the Fourth Proportional to 10,781,515.47, 14,878,378.67 and 5,886,722.46

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Solution

The fourth proportional to 10,781,515.47, 14,878,378.67 and 5,886,722.46 is: 8,123,615.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,515.47 : 14,878,378.67 = 5,886,722.46 : x
  2. Step 2: Convert to fraction form
    10,781,515.47/14,878,378.67 = 5,886,722.46/x
  3. Step 3: Cross multiply
    10,781,515.47x = 14,878,378.67 × 5,886,722.46
  4. Step 4: Simplify right side
    10,781,515.47x = 87,584,885,885,073.92
  5. Step 5: Solve for x
    x = 87,584,885,885,073.92/10,781,515.47
  6. Step 6: Final answer
    x = 8,123,615.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.